201921888891

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{1955641}}^1$

素因数の和:1956042

約数の個数: 16

約数和(自身を含む): 272350527488

約数和(自身を除く): 70428638597

約数列:

[1, 3, 127, 271, 381, 813, 34417, 103251, 1955641, 5866923, 248366407, 529978711, 745099221, 1589936133, 67307296297, 201921888891]

約数ペア:

[(1, 201921888891), (3, 67307296297), (127, 1589936133), (271, 745099221), (381, 529978711), (813, 248366407), (34417, 5866923), (103251, 1955641)]